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	<title>神の翩翩夏日 &#187; 动态文本</title>
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		<title>Flash中如何调整“动态文本”框的_alpha值</title>
		<link>http://www.glglife.com/2007/07/05/flash-in-how-to-adjust-the-u0026quotdynamic-textu0026quot-box-_alpha-value/</link>
		<comments>http://www.glglife.com/2007/07/05/flash-in-how-to-adjust-the-u0026quotdynamic-textu0026quot-box-_alpha-value/#comments</comments>
		<pubDate>Wed, 04 Jul 2007 16:04:06 +0000</pubDate>
		<dc:creator>柳世杀神·GabrielGon</dc:creator>
				<category><![CDATA[ActionScript]]></category>
		<category><![CDATA[FLASH]]></category>
		<category><![CDATA[动态文本]]></category>

		<guid isPermaLink="false">http://www.glglife.com/2007/07/05/flash%e4%b8%ad%e5%a6%82%e4%bd%95%e8%b0%83%e6%95%b4%e2%80%9c%e5%8a%a8%e6%80%81%e6%96%87%e6%9c%ac%e2%80%9d%e6%a1%86%e7%9a%84_alpha%e5%80%bc/</guid>
		<description><![CDATA[<a href="http://www.glglife.com/2007/07/05/flash-in-how-to-adjust-the-u0026quotdynamic-textu0026quot-box-_alpha-value/"><img align="right" hspace="5" width="50" src="http://www.cnblogs.com/images/cnblogs_com/yao/diyTextBox.gif" class="alignright wp-post-image tfe" alt="" title="" /></a>Flash中如何调整&#8220;动态文本&#8221;框的_alpha值 在一个movie clip(以下简称mc)中放入一个动态文本框，...]]></description>
			<content:encoded><![CDATA[<div class="postTitle"><a id="viewpost1_TitleUrl" href="http://www.cnblogs.com/yao/archive/2006/07/07/445050.html" class="postTitle2" onclick="pageTracker._trackPageview('/outgoing/www.cnblogs.com/yao/archive/2006/07/07/445050.html?referer=');">Flash中如何调整&ldquo;动态文本&rdquo;框的_alpha值</a> </div>
<p>在一个movie clip(以下简称mc)中放入一个动态文本框，然后调整该mc的_alpah值，你会发现，&ldquo;动态文本&rdquo;框似乎不受影响。</p>
<p>在Flash8中，可以这样解决：</p>
<p>方法一：<br />给&ldquo;动态文本&rdquo;框添加一个滤镜效果。然后即可以通过调整mc的_alpah值改变文本框的透明度了，如果你不想要滤镜效果显示出来，可以设置为&ldquo;投影&rdquo;滤镜，然后将距离设为0，这样投影效果看不见，跟未设置一样，但文本框的透明度照样可以调整了，如图：</p>
<p><img src="http://www.cnblogs.com/images/cnblogs_com/yao/diyTextBox.gif" border="0" alt="" width="525" height="240" /></p>
<p>方法二： </p>
<p>请从&quot;库&quot;选项菜单中选择&quot;新建字型&quot;，从而在库中创建一个新字体元件。然后将字体的链接设置为 <code>my font</code>。将字体元件的链接设置为 <code>my font</code>。请将以下 ActionScript 代码添加到 FLA 或 AS 文件。 </p>
<div style="padding-right: 5px; padding-left: 4px; font-size: 13px; padding-bottom: 4px; width: 98%; word-break: break-all; padding-top: 4px; background-color: #eeeeee; border: #cccccc 1px solid"><span style="color: #0000ff">var</span><span style="color: #000000">&nbsp;my_fmt:TextFormat&nbsp;</span><span style="color: #000000">=</span><span style="color: #000000">&nbsp;</span><span style="color: #0000ff">new</span><span style="color: #000000">&nbsp;TextFormat();<br />my_fmt.font&nbsp;</span><span style="color: #000000">=</span><span style="color: #000000">&nbsp;</span><span style="color: #000000">&quot;</span><span style="color: #000000">my&nbsp;font</span><span style="color: #000000">&quot;</span><span style="color: #000000">;<br /></span><span style="color: #0000ff">this</span><span style="color: #000000">.createTextField(</span><span style="color: #000000">&quot;</span><span style="color: #000000">my_txt</span><span style="color: #000000">&quot;</span><span style="color: #000000">,&nbsp;</span><span style="color: #0000ff">this</span><span style="color: #000000">.getNextHighestDepth(),&nbsp;</span><span style="color: #000000">10</span><span style="color: #000000">,&nbsp;</span><span style="color: #000000">10</span><span style="color: #000000">,&nbsp;</span><span style="color: #000000">100</span><span style="color: #000000">,&nbsp;</span><span style="color: #000000">22</span><span style="color: #000000">);<br />my_txt.border&nbsp;</span><span style="color: #000000">=</span><span style="color: #000000">&nbsp;</span><span style="color: #0000ff">true</span><span style="color: #000000">;<br />my_txt.embedFonts&nbsp;</span><span style="color: #000000">=</span><span style="color: #000000">&nbsp;</span><span style="color: #0000ff">true</span><span style="color: #000000">;<br />my_txt.text&nbsp;</span><span style="color: #000000">=</span><span style="color: #000000">&nbsp;</span><span style="color: #000000">&quot;</span><span style="color: #000000">大家好呀</span><span style="color: #000000">&quot;</span><span style="color: #000000">;<br />my_txt.setTextFormat(my_fmt);<br />my_txt._alpha&nbsp;</span><span style="color: #000000">=</span><span style="color: #000000">&nbsp;</span><span style="color: #000000">20</span><span style="color: #000000">;</span></div>
<p>以上代码是将名为 <code>my_txt</code> 的文本字段的 <code><span class="searchhilite"><code>_alpha</code></span></code> 属性设置为 20% 。</p>
<p>这两种方法在Flash8中测试通过。</p>
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